# Copyright 2024 Bytedance Ltd. and/or its affiliates
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
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"""
FlowRL Ray Trainer that extends RayPPOTrainer with FlowRL-specific components.
"""

from verl.trainer.ppo.ray_trainer import RayPPOTrainer


class RayFlowRLTrainer(RayPPOTrainer):
    """
    FlowRL trainer that uses the FlowRL advantage estimator.
    The main difference is in the advantage estimation which is registered
    as 'flowrl' in flowrl_adv_estimator.py
    """

    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
